FR646758A - Sound amplifier applicable in particular to phonographs and t-stations. s. f. - Google Patents

Sound amplifier applicable in particular to phonographs and t-stations. s. f.

Info

Publication number
FR646758A
FR646758A FR646758DA FR646758A FR 646758 A FR646758 A FR 646758A FR 646758D A FR646758D A FR 646758DA FR 646758 A FR646758 A FR 646758A
Authority
FR
France
Prior art keywords
phonographs
stations
sound amplifier
amplifier applicable
applicable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Victor-Lucien Boucaut
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR646758A publication Critical patent/FR646758A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR646758D 1926-11-16 1926-11-16 Sound amplifier applicable in particular to phonographs and t-stations. s. f. Expired FR646758A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR646758T 1926-11-16

Publications (1)

Publication Number Publication Date
FR646758A true FR646758A (en) 1928-11-15

Family

ID=9001636

Family Applications (1)

Application Number Title Priority Date Filing Date
FR646758D Expired FR646758A (en) 1926-11-16 1926-11-16 Sound amplifier applicable in particular to phonographs and t-stations. s. f.

Country Status (1)

Country Link
FR (1) FR646758A (en)

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